KR19990003394A - 싱크패턴 검출기 - Google Patents
싱크패턴 검출기 Download PDFInfo
- Publication number
- KR19990003394A KR19990003394A KR1019970027259A KR19970027259A KR19990003394A KR 19990003394 A KR19990003394 A KR 19990003394A KR 1019970027259 A KR1019970027259 A KR 1019970027259A KR 19970027259 A KR19970027259 A KR 19970027259A KR 19990003394 A KR19990003394 A KR 19990003394A
- Authority
- KR
- South Korea
- Prior art keywords
- comparator
- sync pattern
- correlator
- output
- bit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 12
- 238000001514 detection method Methods 0.000 description 3
- 239000000284 extract Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
- G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
- G06F7/50—Adding; Subtracting
- G06F7/501—Half or full adders, i.e. basic adder cells for one denomination
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
- G11B20/1816—Testing
- G11B20/182—Testing using test patterns
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
- G11B2020/1476—Synchronisation patterns; Coping with defects thereof
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computing Systems (AREA)
- Mathematical Optimization (AREA)
- General Engineering & Computer Science (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
Description
Claims (4)
- M개의 입력신호 비트 스트림과 M개의 싱크패턴 비트 스트림을 클럭신호에 따라 순차적으로 처리하여 싱크패턴 신호를 검출하는 싱크패턴 검출기에 있어서,상기 입력신호 비트 스트림과 싱크패턴 비트 스트림의 동일한 비트를 각각 비교하기 위한 비트 스트림 비교기와;상기 비트 스트림 비교기에 접속되어 입력신호 데이터와 싱크패턴 데이터의 상관관계를 추출하기 위한 상관기와;상기 상관기로 부터 출력되는 이전의 상관값들을 저장하기 위한 메모리부와;상기 상관기의 출력값 및 메모리부에 저장된 적어도 하나 이상의 이전의 상관기 출력값을 서로 다른 값으로 설정된 두 개의 입계값과 비교하여 싱크패턴 신호를 발생시키는 비교부를 구비하는 것을 특징으로 하는 싱크패턴 검출기.
- 제 1항에 있어서,상기 비트 스트림 비교기가,입력신호 비트의 데이터와 싱크패턴 비트의 데이터가 상호 동일한 디지트의 경우 1을 출력하며, 상호 다른 디지트의 경우 0을 출력하는 것을 특징으로 하는 싱크패턴 검출기.
- 제 1항에 있어서,상기 상관기가,상기 비트 스트림 비교기에서 출력되는 1의 신호중 연속된 1의 갯수를 카운터 하기 위한 카운터부와;상기 카운터부에 접속되어 자신의 출력값을 임계값으로 이용하는 비교기와,상기 비교기에 접속되어 출력값중 최대값을 출력하기 위한 지연 플림플롭을 추가로 구비하는 것을 특징으로 하는 싱크패턴 검출기.
- 제 1항에 있어서,상기 비교부가,상기 상관기의 출력값과 자신의 제1 임계값을 비교하기 위한 제1 비교기와;상기 상관기의 출력값과 적어도 하나 이상의 이전의 상관기 출력값을 가산하는 가산기와;상기 가산기의 출력값과 자신의 제2 임계값을 비교하기 위한 제2 비교기와;상기 제1 비교기 및 제2 비교기에 접속되어 상기 제1 및 제2 비교기의 논리상태에 따라 싱크패턴 신호를 출력하기 위한 부정 논리합 소자을 추가로 구비하는 것을 특징으로 하는 싱크패턴 검출기.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970027259A KR100253809B1 (ko) | 1997-06-25 | 1997-06-25 | 싱크패턴 검출기 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970027259A KR100253809B1 (ko) | 1997-06-25 | 1997-06-25 | 싱크패턴 검출기 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990003394A true KR19990003394A (ko) | 1999-01-15 |
KR100253809B1 KR100253809B1 (ko) | 2000-04-15 |
Family
ID=19511155
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970027259A Expired - Fee Related KR100253809B1 (ko) | 1997-06-25 | 1997-06-25 | 싱크패턴 검출기 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100253809B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101594833B1 (ko) | 2014-05-08 | 2016-02-17 | 국방과학연구소 | 데이터의 주기성을 이용한 동기 패턴 검출장치 및 방법 |
KR102766074B1 (ko) | 2023-07-26 | 2025-02-13 | (주) 락토메이슨 | 단백질 분해능이 우수한 김치유래 락티플란티바실러스 플란타룸 lm1001 균주를 유효성분으로 포함하는 조성물 |
-
1997
- 1997-06-25 KR KR1019970027259A patent/KR100253809B1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR100253809B1 (ko) | 2000-04-15 |
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Legal Events
Date | Code | Title | Description |
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A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19970625 |
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PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19970625 Comment text: Request for Examination of Application |
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PG1501 | Laying open of application | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 19990831 Patent event code: PE09021S01D |
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E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19991126 |
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GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20000126 Patent event code: PR07011E01D |
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PR1002 | Payment of registration fee |
Payment date: 20000127 End annual number: 3 Start annual number: 1 |
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PG1601 | Publication of registration | ||
PR1001 | Payment of annual fee |
Payment date: 20020927 Start annual number: 4 End annual number: 4 |
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PR1001 | Payment of annual fee |
Payment date: 20031229 Start annual number: 5 End annual number: 5 |
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PR1001 | Payment of annual fee |
Payment date: 20041221 Start annual number: 6 End annual number: 6 |
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FPAY | Annual fee payment |
Payment date: 20051201 Year of fee payment: 7 |
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PR1001 | Payment of annual fee |
Payment date: 20051201 Start annual number: 7 End annual number: 7 |
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LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |
Termination category: Default of registration fee Termination date: 20071210 |